This gearbox is designed for use with a variety of compatible equipment, including finishing mowers and brushhogs. It has a 40 horsepower 540 gearbox, making it a powerful addition to your mower attachment. Whether you're in the agriculture or industrial sector, this gearbox is a reliable choice for maintaining your mowing equipment. Mounting holes measure 4-3/4 on center adjacent hole to adjacent hole and 6-1/4 center to center on diagonal holes. It has a 6 spline input shaft and a 1/4 '' keyed out put shaft that measures 1-1/4''. Measurements included in pictures please compare to your part before ordering. 1:1.47 ratio . ***PLEASE NOTE THESE GEAR BOXES ARE SHIPPED DRY WITHOUT GEAR LUBE. PLEASE FILL WITH 80W90W GEAR LUBE BEFORE USING! *** Suitable for some Woods, King kutter, Bushhog, Farmline, Coni ,and others